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# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
from twisted.trial import unittest
from twisted.words.im import basesupport
from twisted.internet import error, defer
class DummyAccount(basesupport.AbstractAccount):
"""
An account object that will do nothing when asked to start to log on.
"""
loginHasFailed = False
loginCallbackCalled = False
def _startLogOn(self, *args):
"""
Set self.loginDeferred to the same as the deferred returned, allowing a
testcase to .callback or .errback.
@return: A deferred.
"""
self.loginDeferred = defer.Deferred()
return self.loginDeferred
def _loginFailed(self, result):
self.loginHasFailed = True
return basesupport.AbstractAccount._loginFailed(self, result)
def _cb_logOn(self, result):
self.loginCallbackCalled = True
return basesupport.AbstractAccount._cb_logOn(self, result)
class DummyUI(object):
"""
Provide just the interface required to be passed to AbstractAccount.logOn.
"""
clientRegistered = False
def registerAccountClient(self, result):
self.clientRegistered = True
class ClientMsgTests(unittest.TestCase):
def makeUI(self):
return DummyUI()
def makeAccount(self):
return DummyAccount('la', False, 'la', None, 'localhost', 6667)
def test_connect(self):
"""
Test that account.logOn works, and it calls the right callback when a
connection is established.
"""
account = self.makeAccount()
ui = self.makeUI()
d = account.logOn(ui)
account.loginDeferred.callback(None)
def check(result):
self.assert_(not account.loginHasFailed,
"Login shouldn't have failed")
self.assert_(account.loginCallbackCalled,
"We should be logged in")
d.addCallback(check)
return d
def test_failedConnect(self):
"""
Test that account.logOn works, and it calls the right callback when a
connection is established.
"""
account = self.makeAccount()
ui = self.makeUI()
d = account.logOn(ui)
account.loginDeferred.errback(Exception())
def err(reason):
self.assert_(account.loginHasFailed, "Login should have failed")
self.assert_(not account.loginCallbackCalled,
"We shouldn't be logged in")
self.assert_(not ui.clientRegistered,
"Client shouldn't be registered in the UI")
cb = lambda r: self.assert_(False, "Shouldn't get called back")
d.addCallbacks(cb, err)
return d
def test_alreadyConnecting(self):
"""
Test that it can fail sensibly when someone tried to connect before
we did.
"""
account = self.makeAccount()
ui = self.makeUI()
account.logOn(ui)
self.assertRaises(error.ConnectError, account.logOn, ui)
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